glue layer: __cmd_args_to_argv(): use errno to indicate the error.

3 files changed, 4 insertions, 6 deletions

diff --git a/include/sys/cmd.h b/include/sys/cmd.h
index eb3cbfc..b2825a7 100644
--- a/include/sys/cmd.h
+++ b/include/sys/cmd.h
@@ -26,10 +26,8 @@ extern "C" {
 /*                 including the terminating null pointer.                 */
 /*                                                                         */
 /* return value:                                                           */
-/*   zero upon successful parsing and buffer initialization                */
-/*   negative value returned upon failure, which is the actual value       */
-/*     returned by the underlying system call; accordingly, errno          */
-/*     is _not_ set by the above interface.                                */
+/*   zero upon successful parsing and buffer initialization;               */
+/*   otherwise, -1 shall be returned and errno set to indicate the error.  */
 /*                                                                         */
 /* implementation:                                                         */
 /*   the above interface is async-safe, thread-safe, and re-entrant.       */
diff --git a/src/arch/nt32/cmd.c b/src/arch/nt32/cmd.c
index a5def88..932737d 100644
--- a/src/arch/nt32/cmd.c
+++ b/src/arch/nt32/cmd.c
@@ -6,5 +6,5 @@ int __cmd_args_to_argv(
 	char * argbuf, size_t buflen,
 	char ** argv, size_t nptrs)
 {
-	return __syscall(SYS_cmd_args_to_argv,args,argbuf,buflen,argv,nptrs);
+	return syscall(SYS_cmd_args_to_argv,args,argbuf,buflen,argv,nptrs);
 }
diff --git a/src/arch/nt64/cmd.c b/src/arch/nt64/cmd.c
index a5def88..932737d 100644
--- a/src/arch/nt64/cmd.c
+++ b/src/arch/nt64/cmd.c
@@ -6,5 +6,5 @@ int __cmd_args_to_argv(
 	char * argbuf, size_t buflen,
 	char ** argv, size_t nptrs)
 {
-	return __syscall(SYS_cmd_args_to_argv,args,argbuf,buflen,argv,nptrs);
+	return syscall(SYS_cmd_args_to_argv,args,argbuf,buflen,argv,nptrs);
 }